Japanese DictionaryDefinition of できちゃったけっこん
- (n) marriage due to unintended pregnancy; shotgun wedding
そこのお店の息子さんが、今度この土地の女の子と出来ちゃった結婚をすることになってる。
Well the son of that shop's family, seems it's come about that he's to have a shot-gun wedding with a local girl.